4130/GMAW

By sweetjeep Date 01-10-2003 03:09

Hello,

I've got a project comming up, welding 4130 frames together. I'm guessing 1/2 to 3/4" round tubing. Motorcycle/ATV frames. No post treatment that I know. Need to know recommended filler metal(wire), and preheat/ interpass temps, if any.

Thanks
Craig

By rhoople47 (**)

Date 01-13-2003 14:18

Hi Craig;

Sorry I don't have any more info for you, but I can suggest you use a filler metal of at least 90,000 tensile strength. an ER90S-xx or higher. As for the pre-heats, I don't have a clue, my guess is that the tubing isn't very thick, maybe a 1/16"? I kinda doubt you'll need to pre-heat, but I sure would try welding some cut off scrap first and see what happens. I couldn't find anything in D1.1 2002 on that mat. none of the ASTM numbers match. Maybe someone out there can be of more assistance.

Rick

By bmaas1

Date 01-13-2003 17:50

Try this link for Lincoln Electric welding 4130.
Hope this helps.

Brian Maas

http://www.lincolnelectric.com/knowledge/articles/content/chrome-moly.asp

By airweld (**)

Date 01-13-2003 17:51

http://home.hiwaay.net/~langford/sportair/
http://www.tigdepot.com/

Take a look here for advice.